18891448

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{54917}}^1$

素因数の和:54966

約数の個数: 16

約数和(自身を含む): 36245880

約数和(自身を除く): 17354432

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 54917, 109834, 219668, 439336, 2361431, 4722862, 9445724, 18891448]

約数ペア:

[(1, 18891448), (2, 9445724), (4, 4722862), (8, 2361431), (43, 439336), (86, 219668), (172, 109834), (344, 54917)]